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This content comes from Closed Captioning that was broadcast along with this program.

>>>an extraordinary site visible on a small
barrier island
in northwestern alaska. the dark area between the snow and the water, that would be solid walrus. it's called the great walrus hangout of
2013
. an estimated 10,000 of the animals -- and, remember, they are not small -- some weigh as much as a car. the speculation is they have gathered on the beach because of dwindling ice options in alaska the this time of year.